Evidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
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Analyzed using Evidence Intelligence™
Aromatherapy and VR enhance sleep quality in diabetes
Last updated July 11, 2026
Key finding
Median PSQI scores decreased from 7.5 (6–9) to 4.0 (3–5) in the aromatherapy group.
This study investigated the effects of lavender aromatherapy and virtual reality on sleep quality in patients with type 2 diabetes, finding significant improvements in both interventions.
Quick read
Study at a glance
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Short-Term (≤3 mo)
Risk of bias
Some Concerns
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Plain-language summary
What this paper says
A plain-language read of the study's main message and where it applies.
Study focus
This study investigated the effects of lavender aromatherapy and virtual reality on sleep quality in patients with type 2 diabetes, finding significant improvements in both interventions.
Clinical relevance
Improving sleep quality is crucial for patients with type 2 diabetes, as poor sleep can exacerbate health issues. This study suggests that simple, non-invasive interventions like lavender aromatherapy and virtual reality can be effective tools for enhancing sleep, potentially leading to better overall health outcomes for this population.
Keep in mind
The study did not assess long-term effects of the interventions. Sample size and demographic diversity may limit generalizability. Potential biases in self-reported sleep quality measures.
Published in
Journal Reference
Publication details and source links for this paper.
Melika JD, Hooman MT, Hossein S, Pouya Z, Mehdi S. Lavender Aromatherapy and Virtual Reality Improve Sleep Quality in Patients with Type 2 Diabetes. Health Science Reports. 2026;9(4):e72319. doi:10.1002/hsr2.72319
Main Effects
Aromatherapy group reduced PSQI scores by 3.5 points (p = 0.001).
VR group reduced PSQI scores by 4 points (p = 0.001).
Control group showed no significant change in PSQI scores (p = 0.225).
Evidence network
How this study fits
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Evidence Context
This study contributes evidence to Control (Usual Activity), Lavender Aromatherapy, Virtual Reality (VR) and Sleep quality.
This study contributes evidence to
Primary intervention
Control (Usual Activity)
Primary outcomes
- Sleep quality
Primary intervention
Primary outcomes
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
3
Evidence pairs
3
Relationships
0
Evidence topics
contributes_evidence
Editorial context
Why this study matters
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
Moderate contributionModerate confidenceNetwork score: 54
0
Related topics
3
Evidence pairs
0
Related studies
Why it is useful
- Contributes to 3 evidence relationships
- Includes primary outcome data
- Linked to 0 direct semantic evidence topics
Core evidence
Study findings
The primary outcomes reported in this study.
Evidence Intelligence™
- ImpactScore™
- 100
- Very Positive
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Unlock full evidence detailsEvidence Intelligence™
- ImpactScore™
- 100
- Very Positive
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Unlock full evidence detailsUnlock full evidence analysis
Create a free account to access effectiveness ratings, evidence strength and depth scores, consistency analysis, and direct links to all supporting studies.
Evidence Suggest
- Lavender aromatherapy led to a significant PSQI score decrease of 3.5 points.
- Virtual reality sessions resulted in a PSQI score decrease of 4 points.
- Routine care did not significantly improve sleep quality.
Who this applies to
- Adults diagnosed with type 2 diabetes.
- Individuals experiencing sleep disturbances.
Keep in Mind
- Results may not apply to populations outside the study's demographic.
- Further research is needed to confirm long-term benefits.
- The effectiveness of interventions may vary based on individual preferences.
Between the Lines
- The study did not assess long-term effects of the interventions.
- Sample size and demographic diversity may limit generalizability.
- Potential biases in self-reported sleep quality measures.
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Connected Evidence
Explore related studies, evidence collections, and research questions.
Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Control (Usual Activity) and Quality of Life Outcomes, Lavender Aromatherapy and Quality of Life Outcomes.
Related evidence relationships
Explore in Evidence ArchiveThis study contributes to the evidence on the following intervention-outcome relationships.
Control
Detailed evidenceEvidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceBehavioral & Lifestyle
Detailed evidenceLavender Aromatherapy → Quality of Life Outcomes
Behavioral & Lifestyle
Evidence Intelligence™
- ImpactScore™
- 100
- Very Positive
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceIncluded in these evidence collections
Curated evidence collections and hubs this study is part of.
Control (Usual Activity) Evidence Hub
All studies on Control (Usual Activity)
1 studies
intervention_hubContributes to Control (Usual Activity) evidence base.
Lavender Aromatherapy Evidence Hub
All studies on Lavender Aromatherapy
1 studies
intervention_hubContributes to Lavender Aromatherapy evidence base.
Quality of Life Outcomes Evidence Hub
All studies measuring Quality of Life Outcomes
1 studies
outcome_hubMeasures Quality of Life Outcomes as a key outcome.
Recent Diabetes Research
Latest published studies
recency_collection
Published within the last 2 years.
Explore more in the evidence archive
Jump to pre-filtered views in the evidence archive.
All studies on Control (Usual Activity) and Sleep quality
Intervention: Control (Usual Activity)Outcome: Sleep quality
1 results
All studies on Lavender Aromatherapy and Sleep quality
Intervention: Lavender AromatherapyOutcome: Sleep quality
1 results
All studies on Control (Usual Activity)
Intervention: Control (Usual Activity)
1 results
All studies on Lavender Aromatherapy
Intervention: Lavender Aromatherapy
1 results
All studies measuring Sleep quality
Outcome: Sleep quality
1 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Lavender Aromatherapy improve sleep quality?
Emerging Evidence
Lavender Aromatherapy appears to improve Sleep quality.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Sleep quality
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Virtual Reality (VR) improve sleep quality?
Emerging Evidence
Virtual Reality (VR) appears to improve Sleep quality.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Sleep quality
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Control (Usual Activity) improve sleep quality?
Emerging Evidence
Current evidence does not show a clear benefit of Control (Usual Activity) for Sleep quality.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Sleep quality
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
- Consistency cannot yet be determined.
- Population details are unavailable.
Next steps
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